a tiny HTTP API any web application may use to co-publish discretely identified objects in both HTML pages and disparate bare object formats. It consists of three parts: an identifier microformat, an HTML autodiscovery link, and three HTTP interface functions, two of which have a standardized response format.
The unAPI specification is only two pages long.[1]
^Chudnov, Daniel "Dan"; Binkley, Peter; Frumkin, Jeremy; Giarlo, Michael J.; Rylander, Mike; Singer, Ross; Summers, Ed (2006-07-30). "Introducing UnAPI". Ariadne (48). Archived from the original on 2020-11-09. Retrieved 2017-07-11.